RFR: 8342103: C2 compiler support for Float16 type and associated scalar operations [v3]

[Jatin Bhateja]

On Tue, 17 Dec 2024 16:40:33 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Yes, there are multiple test points in newly added test which receive floating-point constant which goes through following IR logic before being constant folded 
>> ConF -> ConvF2HF -> ReinterpretS2HF
>
> Please show me an example.

Every constant folding test point that accepts a floating point number first folds it to a short constant by ConvF2HF value routine which is then re-interpreted to FP16 constant (TypeH) through ReinterpretS2HF value conversion.

Here is the link to one such test point
https://github.com/openjdk/jdk/pull/22754/files#diff-3f8786f9f62662eda4b4a5c76c01fa04534c94d870d496501bfc20434ad45579R472

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PR Review Comment: https://git.openjdk.org/jdk/pull/22754#discussion_r1895315365